Comtech EF Data LBC-4000 - Manual (Page 25)

LBC-4000 L-Band Up/Down Converter System Revision 4
Introduction MN/LBC4000.IOM
1–7
1.4.6 LBC-4000 L-Band Upconverter IDU
Input Frequency 70 MHz ±18 MHz (140 MHz ±36 MHz optional)
Output Frequency 950 MHz to 2000 MHz, 1 kHz steps
Input/Output Impedance 50Ω
Input Return Loss 18 dB minimum
Output Return Loss 15 dB minimum
Input connector Type ‘BNC’ female
Output connector Type ‘N’ female
Gain 25 dB ±1 dB nominal at minimum attenuation
Ripple
• ±.5 dB over any ±18 MHz for 70 MHz IF units
• ±.5 dB over any ±36 MHz for 140 MHz IF units
Slope 0.05 dB/MHz
User Attenuation Range 0 to 40 dB, in 0.25 dB steps (0.1 dB optional)
Input Power Level To ±10 dBm maximum
Output Power, P1dB +10 dBm minimum
Third Order Intercept +20 dBm minimum
Carrier Spurious -60 dBc
Non-Carrier Spurious -75 dBm
Transmit Phase Noise Exceeds MIL-STD-188-164A
Stability
Over Time ±1 X 10 -9 /Day
Over Temp ±1 x 10 -8 32º to 122ºF (0º to 50ºC)